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DeVault Otologic Research Laboratory Contacts

 The DeVault Otologic Research Lab is comprised of a multi-disciplinary team of research and teaching faculty, a speech-language pathologist, postdoctoral research fellows and a SOCRA-trained clinical coordinator.

David Pisoni, PhD

Distinguished Professor

William Kronenberger, PhD


Shirley Henning, MS, CCC-SLP
Speech-Language Pathologist

Allison Ditmars, BS, CCRP, Clinical Research Coordinator
Allison Ditmars joined the DeVault Otologic Research Lab in March 2012 and serves as the clinical research coordinator. Having earned her BS from Purdue University in 2006, Allison studied neurobiology and physiology. She spent several years at the University of Notre Dame, Keck Center for Transgene Research as a research technician, specialized in cell culture, molecular biology and organ/cell imaging. In November of 2014, Allison obtained CCRP certification (Certified Clinical Research Professional) from SOCRA (Society of Clinical Research Associates).

Valerie Freeman, PhD
Postdoctoral Research Fellow
Dr. Freeman joined Indiana University in 2015 as a postdoctoral fellow in the Speech Research Lab in the Department of Psychological and Brain Sciences on the Bloomington campus. She earned her PhD in Linguistics in 2015 from the University of Washington, where she specialized in phonetics and sociolinguistics. Dr. Freeman’s research focuses on the speech of deaf children and adults with cochlear implants and relationships between linguistic, social, and psychological factors like speech intelligibility, social communication skills, psychosocial behavior, and attitudes about deaf speech.

Cynthia Hunter, PhD
Postdoctoral Research Fellow
Dr. Hunter joined Indiana University as a post-doctoral researcher in 2015. She received a PhD in Cognitive Psychology from the State University of New York at Buffalo, where she was trained in spoken language recognition. Her research uses event-related potential (ERP) and behavioral methods to understand the relations among hearing, cognitive, and language processes in children, young adults, and older adults with normal hearing and hearing impairments. Dr. Hunter’s current projects focus on the treatment of deafness with cochlear implants.